66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
package v1
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import (
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"context"
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"log/slog"
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"forge.cadoles.com/cadoles/go-emlid/reach/client/logger"
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"forge.cadoles.com/cadoles/go-emlid/reach/client/protocol"
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"github.com/Masterminds/semver/v3"
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"github.com/pkg/errors"
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)
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const Identifier protocol.Identifier = "v1"
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const compatibleVersionConstraint = "^2.24"
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type Protocol struct {
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logger logger.Logger
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}
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// Available implements protocol.Protocol.
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func (p *Protocol) Available(ctx context.Context, addr string) (bool, error) {
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ops := p.Operations(addr).(*Operations)
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if err := ops.Connect(ctx); err != nil {
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return false, nil
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}
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defer ops.Close(ctx)
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rawVersion, _, err := ops.Version(ctx)
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if err != nil {
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return false, nil
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}
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versionConstraint, err := semver.NewConstraint(compatibleVersionConstraint)
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if err != nil {
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return false, errors.WithStack(err)
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}
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version, err := semver.NewVersion(rawVersion)
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if err != nil {
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return false, errors.WithStack(err)
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}
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p.logger.Debug("checking version", slog.Any("version", rawVersion), slog.Any("constraint", compatibleVersionConstraint))
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if !versionConstraint.Check(version) {
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return false, nil
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}
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return true, nil
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}
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// Identifier implements protocol.Protocol.
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func (p *Protocol) Identifier() protocol.Identifier {
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return Identifier
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}
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// Operations implements protocol.Protocol.
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func (p *Protocol) Operations(addr string) protocol.Operations {
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return &Operations{addr: addr, logger: p.logger}
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}
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var _ protocol.Protocol = &Protocol{}
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